Classifications

• • C—CHEMISTRY; METALLURGY
  • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
  • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
  • C11D17/00—Detergent materials or soaps characterised by their shape or physical properties
  • C11D17/0008—Detergent materials or soaps characterised by their shape or physical properties aqueous liquid non soap compositions
  • C11D17/0017—Multi-phase liquid compositions
  • C11D17/0021—Aqueous microemulsions
• • C—CHEMISTRY; METALLURGY
  • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
  • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
  • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
  • C11D1/66—Non-ionic compounds
  • C11D1/83—Mixtures of non-ionic with anionic compounds
• • C—CHEMISTRY; METALLURGY
  • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
  • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
  • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
  • C11D3/16—Organic compounds
  • C11D3/20—Organic compounds containing oxygen
  • C11D3/2075—Carboxylic acids-salts thereof
  • C11D3/2086—Hydroxy carboxylic acids-salts thereof
• • C—CHEMISTRY; METALLURGY
  • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
  • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
  • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
  • C11D3/39—Organic or inorganic per-compounds
  • C11D3/3947—Liquid compositions
• • C—CHEMISTRY; METALLURGY
  • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
  • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
  • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
  • C11D1/02—Anionic compounds
  • C11D1/12—Sulfonic acids or sulfuric acid esters; Salts thereof
  • C11D1/22—Sulfonic acids or sulfuric acid esters; Salts thereof derived from aromatic compounds
• • C—CHEMISTRY; METALLURGY
  • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
  • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
  • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
  • C11D1/66—Non-ionic compounds
  • C11D1/72—Ethers of polyoxyalkylene glycols

Definitions

• the present invention is related to cleaning compositions; in particular, those that are useful for removing stains and/ or soils from household surfaces, as well as disinfecting, while maintaining good foaming, grease cutting, low residue pattern and superior rinsing and mildness properties.
• compositions have long been used for application to household surfaces for cleaning, disinfecting, maintaining hygiene and imparting pleasant odors and other benefits.
• compositions that are stable, mild, easy to rinse, safe, and non-irritating to users and that have antibacterial properties are especially desirable.
• Particularly desirable are compositions that have superior abilities to remove stains and/ or soils while maintaining these desirable properties.
• the present invention provides, in certain embodiments, a cleaning composition consisting of:
• composition optionally caustic soda; wherein the composition has a pH of about 3 to about 4.
• the present invention is directed, in other embodiments, to a cleaning system comprising a cleaning composition consisting of:
• the present invention is directed, in other embodiments, to a cleaning composition consisting of:
• the present invention is directed, in other embodiments, to a cleaning system comprising a cleaning composition consisting of:
• the present invention is directed, in certain embodiments, to a cleaning composition consisting of:
• the present invention is directed, in other embodiments, to methods of cleaning or removing a stain or soil from a surface, comprising the steps of applying a composition according to the present invention to a surface; and rinsing or wiping the surface.
• ranges are a shorthand for describing each and every value within a range, including endpoints. All references cited in the present disclosure are hereby incorporated by reference in their entirety. Where there is a conflict between a definition in the present disclosure and that of a cited reference, the present disclosure controls.
• compositions can be formulated with mixtures of an anionic surfactant, a nonionic surfactant, lactic acid and hydrogen peroxide, resulting in compositions with superior properties as cleaning agents, particularly for household surfaces such as hard surfaces (e.g., tiles, toilets, sinks, fixtures and other bathroom surfaces). Such compositions may be particularly useful in removing mineral deposits or bleachable stains or soils on hard surfaces and fabrics.
• the present invention is directed to cleaning compositions consisting of: an anionic surfactant, a nonionic surfactant, lactic acid, hydrogen peroxide and water.
• compositions may further comprise one or more of the following: an amphoteric or pseudo-cationic surfactant, an alcohol, a glycol ether solvent, a fragrance, a dye, an opacifier, or a thickener.
• a "home care composition” is any composition that may be useful in cleaning household surfaces.
• a "surface” refers to the surface of any household appliance or fixture, and may include hard surfaces such as counters, sinks, cabinets, walls, the surfaces of appliances such as kitchen appliances (e.g., stoves, conventional or microwave ovens, refrigerators, dishwashers and the like), or bathroom appliances (e.g., sinks, toilets, bathtubs, tiles, shower curtains and doors) wood or glass surfaces, appliances, floors, utensils or dishes, as well as furniture or clothing (including carpets or rugs, cloths, bedding, leather, sponges and mops, polymeric or fabric surfaces or objects made from natural or synthetic materials, e.g., protective gear or sports equipment).
• the present compositions may be in the form of a water-dilutable cleaner or a spray.
• water-dilutable refers to a composition that may be (but does not necessarily have to be) diluted with water, for example, in a bucket or other container, prior to use.
• the present invention is directed to a cleaning system that comprises the compositions as described herein, contained within a bottle having a nozzle and a spray pump dispenser.
• compositions of the present invention are in the form of a microemulsion.
• microemulsion may be used to describe, for example, an oil-in-water emulsion, a water-in-oil emulsion or other types of emulsions and microemulsions known in the art.
• compositions of the present invention comprise an anionic surfactant.
• the anionic surfactant is a water soluble linear alkyl benzene sulfonate, such as, for example, the sodium, potassium, ammonium, magnesium and ethanolammonium salts of linear Cs-Ci 6 alkyl benzene sulfonates such as C10-C14 alkyl benzene sulfonates; or the higher alkyl mononuclear aromatic sulfonates, such as the higher alkylbenzene sulfonates containing 9 to 18, or 9 to 16 carbon atoms in the higher alkyl group in a straight or branched chain, or C ⁇ -is alkyl toluene sulfonates.
• a water soluble linear alkyl benzene sulfonate such as, for example, the sodium, potassium, ammonium, magnesium and ethanolammonium salts of linear Cs-Ci 6 alkyl benzene sulfonates such as C10-C14 alkyl
• compositions of the present invention also comprise a nonionic surfactant.
• the nonionic surfactant may be an ethoxylated fatty alcohol, such as a polyalkoxylated fatty alcohol; for example, those described in International Publication WO 2007/001593 to Simon et al. and U.S. Patent No. 6,342,473 to Kott et al.
• the nonionic surfactant may be a Cg -1 I alcohol with 8 ethoxylates. In various embodiments, the nonionic surfactant is present in amounts of 0.5 to 6%, 1 to 4%, 1.25%, 2 to 3.5% or 3% of the composition.
• the compositions of the present invention also comprise hydrogen peroxide. It has been found that the addition of hydrogen peroxide in optimal amounts to provide a composition at optimal pH can improve the ability of the present compositions to remove stains or soils from household surfaces. In various embodiments, the present compositions comprise hydrogen peroxide in amounts of 0.3 to 2%, 0.5 to 1%, 0.6 or 0.75% of the composition.
• compositions of the present invention should be maintained as acidic compositions, that is, having a pH of less than 7.
• the pH of the composition should be about 2 to about 5, about 3 to about 4, or about 3.5.
• the compositions of the present invention also comprise at least one acid such as, for example, lactic acid.
• the acid is present in amounts of 0.3 to 2%, 0.4 to 1.75%, 0.45, 0.75, 0.85, 1 %, 1.25% or 1.5%.
• the lactic acid should be present in amounts that will optimize the pH of the overall composition to about 2 to about 5, about 3 to about 4, about 3.2 to about 3.8, or about 3.5.
• compositions of the present invention may further optionally comprise several additional compounds.
• the compositions may further comprise an alcohol.
• Alcohols that are useful for the present embodiments include monohydric alcohols or polyhydric alcohols (including short chain alcohols), for example, ethanol, ethylene glycol or polyethylene glycol.
• the alcohol is present in the compositions in amounts of 0.5 to 2%, 0.75 to 1.5%, 0.8 to 1.1%, 1% or 1.25% alcohol based on the composition.
• Another optional compound that may be useful in the present compositions is an amphoteric or pseuco-cationic surfactant.
• amphoteric or pseudo-cationic surfactants include, e.g., amidobetaines, amidosulfobetaines, coco dimethyl carboxymethyl betaine, cocoamidopropyl betaine, cocobetaine, lauryl amidopropyl betaine, oleyl betaine, lauryl dimethyl carboxymethyl betaine, lauryl dimethyl alphacarboxyethyl betaine, cetyl dimethyl carboxymethyl betaine, lauryl bis-(2-hydroxyethyl) carboxymethyl betaine, stearyl bis-(2- hydroxypropyl) carboxymethyl betaine, oleyl dimethyl gamma-carboxypropyl betaine, and lauryl bis-(2-hydroxypropyl)alpha-carbox- yethyl betaine, coco dimethyl sulfopropyl betaine, stearyl dimethyl sulfopropyl betaine, lauryl dimethyl sulfoethyl betaine, lauryl bis
• glycol ether solvent Another optional compound that may be useful in the present compositions is a glycol ether solvent.
• useful solvents include those that have low solubility in water, such as, e.g., propylene glycol n-butyl ether, dipropylene glycol n-butyl ether, dipropylene glycol n-propyl ether, ethylene glycol n-hexyl ether and the like.
• the glycol ether solvent may be present in amounts of, in various embodiments, 1 to 4%, 1.5 to 3%, 1.75% to 2.75% or 2% of the composition.
• the compositions of the present invention are all substantially aqueous.
• compositions comprise at least 75% water, at least 80% water, 85 to 98% water, or 90 to 95% water.
• compositions may further comprise additional ingredients, such as, for example, those chosen from the following: colorants (such as pigments or dyes) in amounts of less than 0.5% or 0.00001 to 0.1% or 0.003 to 0.05%, fragrance (such as perfumes) in amounts of 0.01 to 1.5% or 0.1 to 1.25%, or an opacifier in amounts of 0.01 to 0.3% or 0.05 to 0.2%, a thickener in amounts of 0.001 to 1%, 0.01 to 0.5% or 0.05 to 0.2%.
• colorants such as pigments or dyes
• fragrance such as perfumes
• opacifier in amounts of 0.01 to 0.3% or 0.05 to 0.2%
• a thickener in amounts of 0.001 to 1%, 0.01 to 0.5% or 0.05 to 0.2%.
• compositions of the present invention may be made in a variety of ways, including methods among those known in the art for making cleaning and other home care compositions.
• caustic soda may be added to adjust the pH prior to incorporation of the hydrogen peroxide in the formulations.
• the amount of caustic soda added will very depending on the desired pH range. In various embodiments, the amount will be sufficient to maintain the pH in the range of about 2 to about 5, about 3 to about 4, or about 3.5. A skilled artisan can determine the appropriate amount of caustic soda to be added to achieve this goal.
• the tested formulas were able to deliver superior stain and soil removal when applied at full strength to bleachable stains and soils, including tomato, coffee, grass, chocolate and avocado. Performance was compared to that of a standard cleaning formula with no hydrogen peroxide. Specifically, the test was performed as follows: the hard or soft (fabric) surfaces were soiled by depositing thereon the aforementioned staining ingredients. After the depositing step, the surfaces were then allowed to set, and scrubbed and rinsed. The soil removal effectiveness was measured with the Xrite Color Gun, to determine percentage of soil removed from the surface under the test conditions.

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• Chemical & Material Sciences (AREA)
• Life Sciences & Earth Sciences (AREA)
• Engineering & Computer Science (AREA)
• Chemical Kinetics & Catalysis (AREA)
• Oil, Petroleum & Natural Gas (AREA)
• Wood Science & Technology (AREA)
• Organic Chemistry (AREA)
• Health & Medical Sciences (AREA)
• Emergency Medicine (AREA)
• Inorganic Chemistry (AREA)
• Detergent Compositions (AREA)

Applications Claiming Priority (2)

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• 2007
  • 2007-04-13 US US11/735,189 patent/US20080251105A1/en not_active Abandoned
• 2008
  • 2008-03-06 WO PCT/US2008/055978 patent/WO2008127803A1/en active Application Filing
  • 2008-03-06 EP EP08731489A patent/EP2137287A1/en not_active Withdrawn
  • 2008-03-06 AU AU2008239509A patent/AU2008239509C1/en not_active Ceased
  • 2008-03-06 NZ NZ580430A patent/NZ580430A/en unknown
  • 2008-03-06 CA CA002683787A patent/CA2683787A1/en not_active Abandoned
  • 2008-03-06 MX MX2009011036A patent/MX2009011036A/es unknown
  • 2008-04-08 UY UY31011A patent/UY31011A1/es not_active Application Discontinuation
  • 2008-04-11 PA PA20088776301A patent/PA8776301A1/es unknown
  • 2008-04-11 AR ARP080101523A patent/AR066049A1/es not_active Application Discontinuation
• 2009
  • 2009-10-13 GT GT200900269A patent/GT200900269A/es unknown
  • 2009-10-13 DO DO2009000245A patent/DOP2009000245A/es unknown
  • 2009-10-13 EC EC2009009689A patent/ECSP099689A/es unknown
  • 2009-11-04 CR CR11092A patent/CR11092A/es not_active Application Discontinuation
  • 2009-11-13 CO CO09129879A patent/CO6241164A2/es not_active Application Discontinuation

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